Beverage-carbonating machine



Nov. 22,1927.

649,820 H. L. FERREE BEVERAGE CARBONATING MACHINE Filed July 1s. 1926 @Liiff l NTOR Ha/775g- Z. e

f g; l; ATTORNEYI rtions and mixes Patented Nov. 22, 1927.

UNITED Is'rnf'rrzs,v

HARRY L'. FERRE-ia,- or ROCHRSTER, `NEW YORK, AssIGNoR To RICHARDSON CORPORA- TION,

Appiicanon ined yJuiy 13,

type which i'eceives measured quantities of` syrup and water in predetermined proporbeveragel then being yin completed form ready to serve.V

The invention is an improvement on and l applicable to theV general type of apparatus illustrated in Patent #1,370,213, dated March 1, 1921, and has for an object to afford a construction that insures an ac-I curately measured and uniform quantity of syrup under all conditions, regardless of' the viscosity of the syrup.

Some users of beverage carbonating machinery employ a heavier syrup than others, and it has been found that a syrup measuring device such as illustrated in the patent referred to does not give'a uniform measurement for Syrups of both thin and thick consistencies. The thicker the syrup, the more air it is likely to contain as it passes through the pump, and the primedesideratuin of this invention is to take account-of the lair in the syrup and afford a pump that will always feed an'eXactly uniform quantity of syrup, irrespective of the amount of air it contains or the thickness `of the syrup.

A'further object of the invention is tof afford a pump that is of simple construction, containing few parts, and which requires little attention to keep it in proper operation.

To these ends, the invention comprises the construction and arrangement of parts that will appear clearly from the following description, when read in conjunction with the accompanying drawings, the novel features being pointed out in the claims following the description.

In the drawings:v

Figure 1 is a side elevation of a beverage carbonating machine equipped with a preferred embodiment of the invention, and y Figure 2 is a sectional view, of the pump.

Referring more particularly'to the drawings, 1 designates the usual carbonator with water feed line 2 through which water is pumped to the carbonator, and a syrup feed line 3 which enters the water line at 4 or may be otherwise connected with the carbonator. 5 is the syrup pump, while 6 is the inlet to the pump connected with any suitthem while carbonating, the

OIE' ROCHESTER, NEW YORK, A CORPORATION OF NEW YORK.

. REVRRAGE-CARRONATI'NG MACHINE.

192e. seriai'no. 122,117.

disklO- operated from a gear 11V which engages a ypinion 12, the latter beinglixed kon (the shaft which drives the water pump,

after the'fashion of the ypatented rconstructionralready mentioned. The syrup ,pump

comprises a 'cylinder 15 and plungerl 16, while 17 is aconnecting rod that is adjust-v ably connected tothe crank disk 10 through one of the several openings 18 which are arranged, at different distances from the center of the Crank disk in order to vary the amount of tra-vel of the plunger.

, As the plunger 16 moves outwardly with reference to the cylinder 15, the check valve on kthe outlet side of the cylinder closes and the check valve on the inlet side opens, permitting a supply of syrup to be drawn into the cylinder. Then vas the plunger travels inwardly on its operative stroke, the reverse operation of the check valves takes place and the syrup is forced from the cylinder line and carbonator.

i In order to prevent air in the syrup from causing variations n the amount of syrup discharged, I employ an air ychamber pre.

ferably arranged as shown at 20. The air chamber 2O is preferably in the forni of an enlarged opening in the cylinder wall surrounding the inner end of the plunger when the latter reaches the end of its operative stroke. lVhen in' this position, the plunger extends through the enlarged portion 20 and into the plunger opening of the cylinder, so that the amount of syrup discharged is exactly that represented by the displacement of the plunger. Under normal conditions, the recess or chamber 20 will be occupied entirely or almost entirelyr by syrup, and a volume of syrup sufficient to fill the chamber 2O will always remain in the cylinder when the Aplunger' reaches its innermost position. If the syrup in the cylindercontains air, suoli air will be forced toward the outer portion of the pocket 20, and any variation in the air entrained in chamber 20 results merely in a variation in the amount of syrup held in theiemaining portion of the chamber 20. The pocketed air cannot affect the volume of syrup discharged by the operating stroke of the plunger, and such volume always remains constant because the amount of syrup forced out by the plunger will always be no more and no less than that actually displaced by the plunger. The syrup thus displaced with a beverage carbonatingapparatus or in other relations where it is desirable to constantly feed uniformly measuredquantities or syrup, and this application is intended to Vcover any such ari-angemcnts as come within the underlying purposes of the in vention or the scope of the following claim.

Iclaim: ,n ,l v l The combination with a carbonating inachine adapted to receiveV and carbonate water and syrup, of meansfor accurately measuring and feeding quantitiesrof syrup thereto, comprising .a Cylinder having a piston chamber, the walls of the cylinder `V being of reduced thickness at onev end toy afford a relatively small measuring chamber surrounding the end of the piston when the latter is at. the limit of its inwardstrole, inlet and outlet pipesV `for the syrup communicating with said measuring chamber, syrup controlling check valves in said inlet and outlet pipes, and a solid pistonv movable i said piston chamber and acting to vfeed a quantity o'l' syrup such-as is displaced by the inner end o1c the piston.

In witness whereof, I have hereunto signed my name. Y Y HARRY L. FERRER 

